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Tao Y, She S, Wang X, Wang F, Ji X, Yan B, Chu C, Wang S. Synthesis, structure of dinuclear o-phenylene linked bis(amidinate) rare-earth metal complexes and their catalytic activity towards Strecker reaction. J Organomet Chem 2022. [DOI: 10.1016/j.jorganchem.2022.122357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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2
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Cao Y, Li H, Yin A. A two-dimensional manganese coordination polymer: Crystal structure, proton conductivity and catalytic property. Inorganica Chim Acta 2022. [DOI: 10.1016/j.ica.2021.120658] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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3
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Verma G, Forrest K, Carr BA, Vardhan H, Ren J, Pham T, Space B, Kumar S, Ma S. Indium-Organic Framework with soc Topology as a Versatile Catalyst for Highly Efficient One-Pot Strecker Synthesis of α-aminonitriles. ACS APPLIED MATERIALS & INTERFACES 2021; 13:52023-52033. [PMID: 34210117 DOI: 10.1021/acsami.1c09074] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
An In(III) based metal-organic framework (MOF), In-pbpta, with soc topology was constructed from the trigonal prismatic [In3(μ3-O)(H2O)3(O2C-)6] secondary building unit (SBU) and a custom-designed tetratopic linker H4pbpta (pbpta = 4,4',4″,4‴-(1,4-phenylenbis(pyridine-4,2,6-triyl))-tetrabenzoic acid)). The obtained MOF shows a Brunauer-Emmett-Teller surface area of 1341 m2/g with a pore volume of 0.64 cm3/g, which is the highest among the scarcely reported In-soc-MOFs. The constructed MOF demonstrates excellent performance as a heterogeneous Lewis acid catalyst for highly efficient conversion in a one-pot multicomponent Strecker reaction for the preparation of α-aminonitriles under solvent-free conditions, which can be easy to separate and recycle without significant loss of activity for up to seven cycles. The computational modeling studies suggest the presence of the three substrates in close vicinity to the In-oxo cluster. The strong interactions of the aldehyde/ketone and the amine with the In-oxo cluster together with the readily available cyanide ion around the In-oxo cluster lead to high catalytic conversion within a short period of time for the MOF catalyst. Our work therefore lays a foundation to develop MOF as a new class of efficient heterogeneous catalyst for one-pot Strecker reaction.
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Affiliation(s)
- Gaurav Verma
- Department of Chemistry, University of North Texas, 1508 West Mulberry Street, Denton, Texas 76201, United States
| | - Katherine Forrest
- Department of Chemistry, University of South Florida, 4202 East Fowler Avenue, Tampa, Florida 33620, United States
| | - Benjamin A Carr
- Department of Chemistry & Biochemistry, University of California San Diego, MC 0332, 9500 Gilman Drive, La Jolla, California 92093-0021, United States
| | - Harsh Vardhan
- Department of Chemistry, University of South Florida, 4202 East Fowler Avenue, Tampa, Florida 33620, United States
| | - Junyu Ren
- Department of Chemistry, University of North Texas, 1508 West Mulberry Street, Denton, Texas 76201, United States
| | - Tony Pham
- Department of Chemistry, University of South Florida, 4202 East Fowler Avenue, Tampa, Florida 33620, United States
| | - Brian Space
- Department of Chemistry, University of South Florida, 4202 East Fowler Avenue, Tampa, Florida 33620, United States
- Department of Chemistry, North Carolina State University, 2700 Stinson Drive, Raleigh, North Carolina 27607, United States
| | - Sanjay Kumar
- Department of Chemistry, Multani Mal Modi College, Patiala 147001, Punjab, India
| | - Shengqian Ma
- Department of Chemistry, University of North Texas, 1508 West Mulberry Street, Denton, Texas 76201, United States
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4
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Zhao C, Li Y, Xiao JS, Zhang PD, Wu XQ, Chen Q. Synthesis and crystal structure of poly[(3-amino-1,2,4-triazole)(μ 3-1 H-benzimidazole-5,6-di-carboxyl-ato)cobalt(II)]. Acta Crystallogr E Crystallogr Commun 2021; 77:714-717. [PMID: 34513017 PMCID: PMC8382063 DOI: 10.1107/s2056989021005867] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Accepted: 06/06/2021] [Indexed: 12/03/2022]
Abstract
The asymmetric unit of the title coordination polymer, [Co(C9H4N2O4)(C2H4N4)] n or [Co(L 1)(L 2)] n , consists of one crystallographically independent Co2+ centre, one L 1 2- ligand and one L 2 ligand (L 1 = 1H-benzimidazole-5,6-di-carb-oxy-lic acid, L 2 = 3-amino-1,2,4-triazole). The Co2+ centre is coordinated by two carboxyl-ato-O atoms from two independent L 1 2- ligands and two nitro-gen atoms from L 2 and another L 1 ligand. Thus, the metal center adopts a four-coordinate mode, forming a tetra-hedral geometry. Inter-estingly, through the combination of two L 1 2-, two L 2 ligands and two Co2+ ions, a basic repeating unit is constructed, resulting in the formation of a one-dimensional straight chain structure. These chains are further expanded to the final three-dimensional framework via N-H⋯O hydrogen-bonding inter-actions.
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Affiliation(s)
- Chen Zhao
- Beijing Key Laboratory for Green Catalysis and Separation and Department of Environmental Chemical Engineering, Faculty of Environment and Life, Beijing University of Technology, Beijing 100124, People’s Republic of China
| | - Yi Li
- Beijing Key Laboratory for Green Catalysis and Separation and Department of Environmental Chemical Engineering, Faculty of Environment and Life, Beijing University of Technology, Beijing 100124, People’s Republic of China
| | - Jin-Sheng Xiao
- Beijing Key Laboratory for Green Catalysis and Separation and Department of Environmental Chemical Engineering, Faculty of Environment and Life, Beijing University of Technology, Beijing 100124, People’s Republic of China
| | - Peng-Dan Zhang
- Beijing Key Laboratory for Green Catalysis and Separation and Department of Environmental Chemical Engineering, Faculty of Environment and Life, Beijing University of Technology, Beijing 100124, People’s Republic of China
| | - Xue-Qian Wu
- Beijing Key Laboratory for Green Catalysis and Separation and Department of Environmental Chemical Engineering, Faculty of Environment and Life, Beijing University of Technology, Beijing 100124, People’s Republic of China
| | - Qiang Chen
- Beijing Key Laboratory for Green Catalysis and Separation and Department of Environmental Chemical Engineering, Faculty of Environment and Life, Beijing University of Technology, Beijing 100124, People’s Republic of China
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5
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Jiang Y, Sun J, Yang X, Shen J, Fu Y, Fan Y, Xu J, Wang L. Cd-MOF@PVDF Mixed-Matrix Membrane with Good Catalytic Activity and Recyclability for the Production of Benzimidazole and Amino Acid Derivatives. Inorg Chem 2021; 60:2087-2096. [DOI: 10.1021/acs.inorgchem.1c00084] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- Yansong Jiang
- College of Chemistry, Jilin University, Changchun, 130012 Jilin, People’s Republic of China
| | - Jing Sun
- College of Chemistry, Jilin University, Changchun, 130012 Jilin, People’s Republic of China
- Jiangsu Provincial Engineering Research Center for Biomedical Materials and Advanced Medical Devices, Huaiyin Institute of Technology, Huai’an, 223003 Jiangsu, People’s Republic of China
| | - Xiaona Yang
- College of Chemistry, Jilin University, Changchun, 130012 Jilin, People’s Republic of China
| | - Jieyu Shen
- College of Chemistry, Jilin University, Changchun, 130012 Jilin, People’s Republic of China
| | - Yu Fu
- College of Chemistry, Jilin University, Changchun, 130012 Jilin, People’s Republic of China
| | - Yong Fan
- College of Chemistry, Jilin University, Changchun, 130012 Jilin, People’s Republic of China
| | - Jianing Xu
- College of Chemistry, Jilin University, Changchun, 130012 Jilin, People’s Republic of China
| | - Li Wang
- College of Chemistry, Jilin University, Changchun, 130012 Jilin, People’s Republic of China
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6
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Zhang Y, Liu S, Zhao ZS, Wang Z, Zhang R, Liu L, Han ZB. Recent progress in lanthanide metal–organic frameworks and their derivatives in catalytic applications. Inorg Chem Front 2021. [DOI: 10.1039/d0qi01191f] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Research progress in lanthanide metal–organic frameworks and their derivatives in the field of catalysis has been presented on the basis of different organic reactions.
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Affiliation(s)
- Yue Zhang
- College of Chemistry
- Liaoning University
- Shenyang 110036
- P. R. China
| | - Shuo Liu
- College of Chemistry
- Liaoning University
- Shenyang 110036
- P. R. China
| | - Zi-Song Zhao
- College of Chemistry
- Liaoning University
- Shenyang 110036
- P. R. China
| | - Zengfang Wang
- College of Chemistry
- Liaoning University
- Shenyang 110036
- P. R. China
| | - Ruiying Zhang
- College of Chemistry
- Liaoning University
- Shenyang 110036
- P. R. China
| | - Lin Liu
- College of Chemistry
- Liaoning University
- Shenyang 110036
- P. R. China
| | - Zheng-Bo Han
- College of Chemistry
- Liaoning University
- Shenyang 110036
- P. R. China
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7
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Liu R, Jiang Y, Gong Y, Fu Y, Shen J, Wang L, Fan Y, Guo Y, Xu J. Two scandium-based coordination polymers: rapid ultrasound-assisted synthesis, crystal transformation, and catalytic properties. CrystEngComm 2021. [DOI: 10.1039/d1ce01206a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Assisted by ultrasound waves, a Sc-based coordination polymer CP 1 was synthesized successfully. With 1 as the precursor, another stable CP 2 can be obtained by single-crystal to single-crystal transformation and 2 exhibited good catalytic activities.
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Affiliation(s)
- Rui Liu
- College of Chemistry, Jilin University, Changchun, 130012 Jilin Province, P. R. China
| | - Yansong Jiang
- College of Chemistry, Jilin University, Changchun, 130012 Jilin Province, P. R. China
- South China Advanced Institute for Soft Matter Science and Technology, School of Molecular Science and Engineering, South China University of Technology, Guangzhou, 510640 Guangdong Province, P. R. China
| | - Yiran Gong
- College of Chemistry, Jilin University, Changchun, 130012 Jilin Province, P. R. China
| | - Yu Fu
- College of Chemistry, Jilin University, Changchun, 130012 Jilin Province, P. R. China
| | - Jieyu Shen
- College of Chemistry, Jilin University, Changchun, 130012 Jilin Province, P. R. China
| | - Li Wang
- College of Chemistry, Jilin University, Changchun, 130012 Jilin Province, P. R. China
| | - Yong Fan
- College of Chemistry, Jilin University, Changchun, 130012 Jilin Province, P. R. China
| | - Yupeng Guo
- College of Chemistry, Jilin University, Changchun, 130012 Jilin Province, P. R. China
| | - Jianing Xu
- College of Chemistry, Jilin University, Changchun, 130012 Jilin Province, P. R. China
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Wang FF, Li JH, Liu HY, Deng SP, Liu YY, Ma JF. Functionalized resorcin[4]arene-based coordination polymers as heterogeneous catalysts for click reactions. NEW J CHEM 2021. [DOI: 10.1039/d0nj06051h] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
One Cu(i) and two Cd(ii) coordination polymers have been achieved using a 4-mercaptopyridine-functionalized resorcin[4]arene. 1 exhibits predominant efficiency and excellent recyclability for the synthesis of 1,2,3-triazoles and β-OH-1,2,3-triazoles.
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Affiliation(s)
- Fei-Fei Wang
- Key Lab of Polyoxometalate Science
- Department of Chemistry
- Northeast Normal University
- Changchun 130024
- China
| | - Jia-Hui Li
- Key Lab of Polyoxometalate Science
- Department of Chemistry
- Northeast Normal University
- Changchun 130024
- China
| | - Hai-Yan Liu
- Key Lab of Chemical Additive Synthesis and Separation
- Department of Chemical and Environmental Engineering, Yingkou Institute of Technology
- Yingkou 115014
- China
| | - Shu-Ping Deng
- Key Lab of Chemical Additive Synthesis and Separation
- Department of Chemical and Environmental Engineering, Yingkou Institute of Technology
- Yingkou 115014
- China
| | - Ying-Ying Liu
- Key Lab of Polyoxometalate Science
- Department of Chemistry
- Northeast Normal University
- Changchun 130024
- China
| | - Jian-Fang Ma
- Key Lab of Polyoxometalate Science
- Department of Chemistry
- Northeast Normal University
- Changchun 130024
- China
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9
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Zhu Z, Tong C, Wang P, Wang W, Sun J, Xue J, Wang L, Fan Y, Xu J. Tunable morphology and the changeable catalytic property of layered scandium coordination polymer. J SOLID STATE CHEM 2020. [DOI: 10.1016/j.jssc.2019.121151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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10
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Zheng W, Wu K. Anion-directed assemblies of europium(III) coordination polymers based on 1H-benzimidazole-5,6-dicarboxylate: structures and luminescence properties. ACTA CRYSTALLOGRAPHICA SECTION C-STRUCTURAL CHEMISTRY 2020; 76:186-192. [PMID: 32022714 DOI: 10.1107/s2053229620000637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Accepted: 01/20/2020] [Indexed: 05/30/2023]
Abstract
Two europium(III) coordination polymers (CPs), namely, poly[[diaquabis(μ4-1H-benzimidazole-5,6-dicarboxylato-κ6N3:O5,O5':O5,O6:O6')(μ2-oxalato-κ4O1,O2:O1',O2')dieuropium(III)] dihydrate], {[Eu2(C9H4N2O4)2(C2O4)(H2O)2]·2H2O}n (1), and poly[(μ3-1H-benzimidazol-3-ium-5,6-dicarboxylato-κ5O5:O5',O6:O6,O6')(μ3-sulfato-κ3O:O':O'')europium(III)], [Eu(C9H5N2O4)(SO4)]n (2), have been synthesized via the hydrothermal method and structurally characterized. CP 1 shows a three-dimensional network, in which the oxalate ligand acts as a pillar, while CP 2 has a two-dimensional network based on a europium(III)-sulfate skeleton, further extended into a three-dimensional framework by hydrogen-bonding interactions. The structural diversity in the two compounds can be attributed to the different acidification abilities and geometries of the anionic ligands. The luminescence properties of 1 display the characteristic europium red emission with CIE chromaticity coordinates (2/3, 0.34). Interestingly, CP 2 shows the characteristic red emission with CIE chromaticity coordinates (0.60, 0.34) when excited at 280 nm and a near-white emission with CIE chromaticity coordinates (0.38, 0.29) when excited at 340 nm.
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Affiliation(s)
- Wenxu Zheng
- College of Chemistry, Fuzhou University, Fuzhou, Fujian 350108, People's Republic of China
| | - Kechen Wu
- Fujian Key Laboratory of Functional Marine Sensing Materials, Minjiang University, Fujian, People's Republic of China
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11
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Kumar N, Paul AK. Triggering Lewis Acidic Nature through the Variation of Coordination Environment of Cd-Centers in 2D-Coordination Polymers. Inorg Chem 2020; 59:1284-1294. [PMID: 31916441 DOI: 10.1021/acs.inorgchem.9b02997] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The rational design and successful synthesis of novel functional metal-organic frameworks relies on careful selection of metals and versatile organic ligands. A newly designed pyrazole-based dicarboxylate ligand, 5-(3,5-dimethyl-1H-pyrazol-1-yl) 1,3-benzenedicarboxylic acid (H2L), was utilized to obtain two new Cd-based coordination polymers I [Cd(L)(H2O)]·H2O and II [Cd(L)] under similar reaction conditions via solvothermal strategy. Single-crystal X-ray data confirmed that compound I exhibits a two-dimensional (2D) skeleton comprising pentagonal bipyramidal Cd-ions and an organic ligand moiety. Compound II has also formed a two-dimensional layer arrangement with the connectivity between trigonal bipyramidal Cd-ions and the organic ligand. Topological analysis revealed that compound I has formed unique 43.63 net topology while compound II has displayed a 44.62 sql net topology with 2D frameworks. The Lewis acidic nature of both I and II containing a Cd2+ metal center has been correlated with the coordination number through dye adsorption-desorption and catalysis studies. The selective adsorption of anionic dye and the extent of adsorption are interrelated with the Cd-ion geometry. For the first time, the role of coordinated water molecule has been analyzed through heterogeneous catalysis reaction (i.e., cyanosilylation) with Cd-based 2D-coordination polymers (CPs). The plausible mechanisms have been proposed to explain the subsequent role of coordination number and environment in CPs.
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Affiliation(s)
- Nikhil Kumar
- Department of Chemistry , National Institute of Technology Kurukshetra , Kurukshetra 136119 , India
| | - Avijit Kumar Paul
- Department of Chemistry , National Institute of Technology Kurukshetra , Kurukshetra 136119 , India
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12
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Liu C, Xing S, Zhou J, Bai F, Xing Y. Two novel d
10
transition metal complexes based on 1
H
‐benzimidazole‐5,6‐dicarboxylic acid: Synthesis, structure and multifunctional luminescence detection. Appl Organomet Chem 2019. [DOI: 10.1002/aoc.5151] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Chun‐Hong Liu
- College of Chemistry and Chemical EngineeringLiaoning Normal University Huanghe Road 850 Dalian 116029 China
| | - Shang‐Hua Xing
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of ChemistryJilin University Changchun 130012 China
| | - Jun Zhou
- College of Chemistry and Chemical EngineeringLiaoning Normal University Huanghe Road 850 Dalian 116029 China
| | - Feng‐Ying Bai
- College of Chemistry and Chemical EngineeringLiaoning Normal University Huanghe Road 850 Dalian 116029 China
| | - Yong‐Heng Xing
- College of Chemistry and Chemical EngineeringLiaoning Normal University Huanghe Road 850 Dalian 116029 China
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13
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Kalhor M, Rezaee‐Baroonaghi F, Dadras A, Zarnegar Z. Synthesis of new TCH/Ni‐based nanocomposite supported on SBA‐15 and its catalytic application for preparation of benzimidazole and perimidine derivatives. Appl Organomet Chem 2019. [DOI: 10.1002/aoc.4784] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Mehdi Kalhor
- Department of Organic ChemistryPayame Noor University Tehran 19395‐4697 Iran
| | | | - Akbar Dadras
- Department of Organic ChemistryPayame Noor University Tehran 19395‐4697 Iran
| | - Zohre Zarnegar
- Department of Organic ChemistryPayame Noor University Tehran 19395‐4697 Iran
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14
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Wang W, Zeng C, Yang Y, Jiang P, Gao W, Cong R, Yang T. Continuous solid solutions constructed from two isostructural octahedron-based molecular sieves: preparation, acidity regulation and catalytic application in Strecker reactions. NEW J CHEM 2019. [DOI: 10.1039/c9nj04406j] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
AlxGa1−x-PKU-1 solid solutions were used as acidity-tunable solid acids to catalyze the nucleophilic addition of the cyanide anion to imines.
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Affiliation(s)
- Weilu Wang
- College of Chemistry and Chemical Engineering
- Chongqing University
- Chongqing 401331
- People's Republic of China
| | - Chunmei Zeng
- College of Chemistry and Chemical Engineering
- Chongqing University
- Chongqing 401331
- People's Republic of China
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province
| | - Yao Yang
- College of Chemistry and Chemical Engineering
- Chongqing University
- Chongqing 401331
- People's Republic of China
| | - Pengfei Jiang
- College of Chemistry and Chemical Engineering
- Chongqing University
- Chongqing 401331
- People's Republic of China
| | - Wenliang Gao
- College of Chemistry and Chemical Engineering
- Chongqing University
- Chongqing 401331
- People's Republic of China
| | - Rihong Cong
- College of Chemistry and Chemical Engineering
- Chongqing University
- Chongqing 401331
- People's Republic of China
| | - Tao Yang
- College of Chemistry and Chemical Engineering
- Chongqing University
- Chongqing 401331
- People's Republic of China
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Liu YL, Yan L, Liu YY, Xu GH, Shi WJ, Ma JF. Cu(I) coordination polymer based on pyridyl-functionalized resorcin[4]arene: Selective detection of Cr2O72−, MnO4− and nitrobenzene and efficient catalyst for azide–alkyne cycloaddition reaction. Polyhedron 2019. [DOI: 10.1016/j.poly.2018.11.032] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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16
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Yue LJ, Liu YY, Xu GH, Ma JF. Calix[4]arene-based polyoxometalate organic–inorganic hybrid and coordination polymer as heterogeneous catalysts for azide–alkyne cycloaddition and Knoevenagel condensation reaction. NEW J CHEM 2019. [DOI: 10.1039/c9nj03930a] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
One POM-based Cu(i)-hybrid and one Cd(ii) compound have been achieved by a calix[4]arene ligand. They exhibit efficient catalytic abilities for azide–alkyne cycloaddition and Knoevenagel condensation reactions, respectively.
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Affiliation(s)
- Liu-Juan Yue
- Key Lab of Polyoxometalate Science
- Department of Chemistry
- Northeast Normal University
- Changchun 130024
- P. R. China
| | - Ying-Ying Liu
- Key Lab of Polyoxometalate Science
- Department of Chemistry
- Northeast Normal University
- Changchun 130024
- P. R. China
| | - Guo-Hai Xu
- Key Laboratory of Jiangxi University for Functional Materials Chemistry
- School of Chemistry and Chemical Engineering
- Gannan Normal University
- Ganzhou
- China
| | - Jian-Fang Ma
- Key Lab of Polyoxometalate Science
- Department of Chemistry
- Northeast Normal University
- Changchun 130024
- P. R. China
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